Cameras have been installed at the entrances and exits of University of Central Florida to scan the license plates of cars on campus and check them against law enforcement databases, officials announced Thursday.

At least two post-secondary campuses in Toronto, Ontario, were evacuated Tuesday morning as law enforcement investigated bomb threats to multiple city schools. One campus was reopened quickly after it was determined to be safe.

Traverse City Area Public Schools (TCAPS) plan to install a new lockdown lighting system, which will include lights on the exterior of the buildings that flash during a lockdown to indicate that people outside should not enter the building.

Last Wednesday, teachers at Allegany-Limestone Elementary School were given buckets full of medical supplies and other materials that would help secure their classroom in the event of an active-shooter incident.

After a survey revealed that almost 200 Florida schools have not had armed security as required by state law, members of the Marjory Stoneman Douglas High School Public Safety Commission are urging the Florida Department of Education to “name names and name people” who aren’t compliant.

Accidental discharge of a small pepper spray device led to the evacuation of the cafeteria at Easton Area Middle School on Monday. The pepper spray wasn’t deployed on purpose, according to school officials.